ETYM Cf. French précision, Latin praecisio a cutting off. Related to Precise.
The quality or state of being precise; exact limitation; exactness; accuracy; strict conformity to a rule or a standard; definiteness.
Precision is reproducibility. SayingThese measurements are precis is the same as saying,The same measurement was repeated several times, and the measurements were all very close to one anothe. Don’t confuse precision with accuracy.